Executive brief
Oracle Coherence, a data grid solution used for high-speed data processing and storage, contains a critical vulnerability in its core component. An unauthorized attacker can exploit this over the network to gain full control of the system. This could lead to the theft of sensitive data, disruption of business operations, and complete compromise of the affected infrastructure.
Technical details
This vulnerability exists in the Core component of Oracle Coherence and is classified as easily exploitable. An unauthenticated attacker can exploit the flaw by sending specially crafted TCP requests over the network. Successful exploitation results in a complete compromise of the Coherence instance, impacting confidentiality, integrity, and availability (CVSS 9.8). The vulnerability affects versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. Users are advised to refer to the Oracle Critical Patch Update for July 2026 for remediation steps.
Affected products
- Oracle Coherence 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0
Timeline
- 2026-07-21: advisory: Initial publication by Oracle and NVD